<?php
    /** PHPExcel root directory */
    if (!defined('PHPEXCEL_ROOT')) {
        /**
         * @ignore
         */
        define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
        require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
    }

    /**
     * PHPExcel_Reader_Excel2003XML
     * Copyright (c) 2006 - 2015 PHPExcel
     * This library is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or (at your option) any later version.
     * This library is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     * You should have received a copy of the GNU Lesser General Public
     * License along with this library; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     * @category   PHPExcel
     * @package    PHPExcel_Reader
     * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
     * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
     * @version    ##VERSION##, ##DATE##
     */
    class PHPExcel_Reader_Excel2003XML extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader {
        /**
         * Formats
         * @var array
         */
        protected $styles = [];
        /**
         * Character set used in the file
         * @var string
         */
        protected $charSet = 'UTF-8';

        /**
         * Create a new PHPExcel_Reader_Excel2003XML
         */
        public function __construct() {
            $this->readFilter = new PHPExcel_Reader_DefaultReadFilter();
        }

        /**
         * pixel units to excel width units(units of 1/256th of a character width)
         * @param pxs
         * @return
         */
        protected static function pixel2WidthUnits($pxs) {
            $UNIT_OFFSET_MAP = [
                0,
                36,
                73,
                109,
                146,
                182,
                219
            ];
            $widthUnits = 256 * ($pxs / 7);
            $widthUnits += $UNIT_OFFSET_MAP[($pxs % 7)];
            return $widthUnits;
        }

        /**
         * excel width units(units of 1/256th of a character width) to pixel units
         * @param widthUnits
         * @return
         */
        protected static function widthUnits2Pixel($widthUnits) {
            $pixels           = ($widthUnits / 256) * 7;
            $offsetWidthUnits = $widthUnits % 256;
            $pixels           += round($offsetWidthUnits / (256 / 7));
            return $pixels;
        }

        protected static function hex2str($hex) {
            return chr(hexdec($hex[1]));
        }

        /**
         * Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
         * @param     string $pFilename
         * @throws     PHPExcel_Reader_Exception
         */
        public function listWorksheetNames($pFilename) {
            // Check if file exists
            if (!file_exists($pFilename)) {
                throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
            }
            if (!$this->canRead($pFilename)) {
                throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
            }
            $worksheetNames = [];
            $xml        = simplexml_load_string($this->securityScan(file_get_contents($pFilename)), 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());
            $namespaces = $xml->getNamespaces(true);
            $xml_ss = $xml->children($namespaces['ss']);
            foreach ($xml_ss->Worksheet as $worksheet) {
                $worksheet_ss     = $worksheet->attributes($namespaces['ss']);
                $worksheetNames[] = self::convertStringEncoding((string)$worksheet_ss['Name'], $this->charSet);
            }
            return $worksheetNames;
        }

        /**
         * Can the current PHPExcel_Reader_IReader read the file?
         * @param     string $pFilename
         * @return     boolean
         * @throws PHPExcel_Reader_Exception
         */
        public function canRead($pFilename) {
            //    Office                    xmlns:o="urn:schemas-microsoft-com:office:office"
            //    Excel                    xmlns:x="urn:schemas-microsoft-com:office:excel"
            //    XML Spreadsheet            xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"
            //    Spreadsheet component    xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet"
            //    XML schema                 xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882"
            //    XML data type            xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882"
            //    MS-persist recordset    xmlns:rs="urn:schemas-microsoft-com:rowset"
            //    Rowset                    xmlns:z="#RowsetSchema"
            //
            $signature = [
                '<?xml version="1.0"',
                '<?mso-application progid="Excel.Sheet"?>'
            ];
            // Open file
            $this->openFile($pFilename);
            $fileHandle = $this->fileHandle;
            // Read sample data (first 2 KB will do)
            $data = fread($fileHandle, 2048);
            fclose($fileHandle);
            $valid = true;
            foreach ($signature as $match) {
                // every part of the signature must be present
                if (strpos($data, $match) === false) {
                    $valid = false;
                    break;
                }
            }
            //    Retrieve charset encoding
            if (preg_match('/<?xml.*encoding=[\'"](.*?)[\'"].*?>/um', $data, $matches)) {
                $this->charSet = strtoupper($matches[1]);
            }
            //        echo 'Character Set is ', $this->charSet,'<br />';
            return $valid;
        }

        protected static function convertStringEncoding($string, $charset) {
            if ($charset != 'UTF-8') {
                return PHPExcel_Shared_String::ConvertEncoding($string, 'UTF-8', $charset);
            }
            return $string;
        }

        /**
         * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
         * @param   string $pFilename
         * @throws   PHPExcel_Reader_Exception
         */
        public function listWorksheetInfo($pFilename) {
            // Check if file exists
            if (!file_exists($pFilename)) {
                throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
            }
            $worksheetInfo = [];
            $xml        = simplexml_load_string($this->securityScan(file_get_contents($pFilename)), 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());
            $namespaces = $xml->getNamespaces(true);
            $worksheetID = 1;
            $xml_ss      = $xml->children($namespaces['ss']);
            foreach ($xml_ss->Worksheet as $worksheet) {
                $worksheet_ss = $worksheet->attributes($namespaces['ss']);
                $tmpInfo                     = [];
                $tmpInfo['worksheetName']    = '';
                $tmpInfo['lastColumnLetter'] = 'A';
                $tmpInfo['lastColumnIndex']  = 0;
                $tmpInfo['totalRows']        = 0;
                $tmpInfo['totalColumns']     = 0;
                if (isset($worksheet_ss['Name'])) {
                    $tmpInfo['worksheetName'] = (string)$worksheet_ss['Name'];
                } else {
                    $tmpInfo['worksheetName'] = "Worksheet_{$worksheetID}";
                }
                if (isset($worksheet->Table->Row)) {
                    $rowIndex = 0;
                    foreach ($worksheet->Table->Row as $rowData) {
                        $columnIndex = 0;
                        $rowHasData  = false;
                        foreach ($rowData->Cell as $cell) {
                            if (isset($cell->Data)) {
                                $tmpInfo['lastColumnIndex'] = max($tmpInfo['lastColumnIndex'], $columnIndex);
                                $rowHasData                 = true;
                            }
                            ++$columnIndex;
                        }
                        ++$rowIndex;
                        if ($rowHasData) {
                            $tmpInfo['totalRows'] = max($tmpInfo['totalRows'], $rowIndex);
                        }
                    }
                }
                $tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);
                $tmpInfo['totalColumns']     = $tmpInfo['lastColumnIndex'] + 1;
                $worksheetInfo[] = $tmpInfo;
                ++$worksheetID;
            }
            return $worksheetInfo;
        }

        /**
         * Loads PHPExcel from file
         * @param     string $pFilename
         * @return     PHPExcel
         * @throws     PHPExcel_Reader_Exception
         */
        public function load($pFilename) {
            // Create new PHPExcel
            $objPHPExcel = new PHPExcel();
            $objPHPExcel->removeSheetByIndex(0);
            // Load into this instance
            return $this->loadIntoExisting($pFilename, $objPHPExcel);
        }

        /**
         * Loads PHPExcel from file into PHPExcel instance
         * @param     string  $pFilename
         * @param    PHPExcel $objPHPExcel
         * @return     PHPExcel
         * @throws     PHPExcel_Reader_Exception
         */
        public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel) {
            $fromFormats = [
                '\-',
                '\ '
            ];
            $toFormats   = [
                '-',
                ' '
            ];
            $underlineStyles           = [
                PHPExcel_Style_Font::UNDERLINE_NONE,
                PHPExcel_Style_Font::UNDERLINE_DOUBLE,
                PHPExcel_Style_Font::UNDERLINE_DOUBLEACCOUNTING,
                PHPExcel_Style_Font::UNDERLINE_SINGLE,
                PHPExcel_Style_Font::UNDERLINE_SINGLEACCOUNTING
            ];
            $verticalAlignmentStyles   = [
                PHPExcel_Style_Alignment::VERTICAL_BOTTOM,
                PHPExcel_Style_Alignment::VERTICAL_TOP,
                PHPExcel_Style_Alignment::VERTICAL_CENTER,
                PHPExcel_Style_Alignment::VERTICAL_JUSTIFY
            ];
            $horizontalAlignmentStyles = [
                PHPExcel_Style_Alignment::HORIZONTAL_GENERAL,
                PHPExcel_Style_Alignment::HORIZONTAL_LEFT,
                PHPExcel_Style_Alignment::HORIZONTAL_RIGHT,
                PHPExcel_Style_Alignment::HORIZONTAL_CENTER,
                PHPExcel_Style_Alignment::HORIZONTAL_CENTER_CONTINUOUS,
                PHPExcel_Style_Alignment::HORIZONTAL_JUSTIFY
            ];
            $timezoneObj = new DateTimeZone('Europe/London');
            $GMT         = new DateTimeZone('UTC');
            // Check if file exists
            if (!file_exists($pFilename)) {
                throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
            }
            if (!$this->canRead($pFilename)) {
                throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
            }
            $xml        = simplexml_load_string($this->securityScan(file_get_contents($pFilename)), 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());
            $namespaces = $xml->getNamespaces(true);
            $docProps = $objPHPExcel->getProperties();
            if (isset($xml->DocumentProperties[0])) {
                foreach ($xml->DocumentProperties[0] as $propertyName => $propertyValue) {
                    switch ($propertyName) {
                        case 'Title':
                            $docProps->setTitle(self::convertStringEncoding($propertyValue, $this->charSet));
                            break;
                        case 'Subject':
                            $docProps->setSubject(self::convertStringEncoding($propertyValue, $this->charSet));
                            break;
                        case 'Author':
                            $docProps->setCreator(self::convertStringEncoding($propertyValue, $this->charSet));
                            break;
                        case 'Created':
                            $creationDate = strtotime($propertyValue);
                            $docProps->setCreated($creationDate);
                            break;
                        case 'LastAuthor':
                            $docProps->setLastModifiedBy(self::convertStringEncoding($propertyValue, $this->charSet));
                            break;
                        case 'LastSaved':
                            $lastSaveDate = strtotime($propertyValue);
                            $docProps->setModified($lastSaveDate);
                            break;
                        case 'Company':
                            $docProps->setCompany(self::convertStringEncoding($propertyValue, $this->charSet));
                            break;
                        case 'Category':
                            $docProps->setCategory(self::convertStringEncoding($propertyValue, $this->charSet));
                            break;
                        case 'Manager':
                            $docProps->setManager(self::convertStringEncoding($propertyValue, $this->charSet));
                            break;
                        case 'Keywords':
                            $docProps->setKeywords(self::convertStringEncoding($propertyValue, $this->charSet));
                            break;
                        case 'Description':
                            $docProps->setDescription(self::convertStringEncoding($propertyValue, $this->charSet));
                            break;
                    }
                }
            }
            if (isset($xml->CustomDocumentProperties)) {
                foreach ($xml->CustomDocumentProperties[0] as $propertyName => $propertyValue) {
                    $propertyAttributes = $propertyValue->attributes($namespaces['dt']);
                    $propertyName       = preg_replace_callback('/_x([0-9a-z]{4})_/', 'PHPExcel_Reader_Excel2003XML::hex2str', $propertyName);
                    $propertyType       = PHPExcel_DocumentProperties::PROPERTY_TYPE_UNKNOWN;
                    switch ((string)$propertyAttributes) {
                        case 'string':
                            $propertyType  = PHPExcel_DocumentProperties::PROPERTY_TYPE_STRING;
                            $propertyValue = trim($propertyValue);
                            break;
                        case 'boolean':
                            $propertyType  = PHPExcel_DocumentProperties::PROPERTY_TYPE_BOOLEAN;
                            $propertyValue = (bool)$propertyValue;
                            break;
                        case 'integer':
                            $propertyType  = PHPExcel_DocumentProperties::PROPERTY_TYPE_INTEGER;
                            $propertyValue = intval($propertyValue);
                            break;
                        case 'float':
                            $propertyType  = PHPExcel_DocumentProperties::PROPERTY_TYPE_FLOAT;
                            $propertyValue = floatval($propertyValue);
                            break;
                        case 'dateTime.tz':
                            $propertyType  = PHPExcel_DocumentProperties::PROPERTY_TYPE_DATE;
                            $propertyValue = strtotime(trim($propertyValue));
                            break;
                    }
                    $docProps->setCustomProperty($propertyName, $propertyValue, $propertyType);
                }
            }
            foreach ($xml->Styles[0] as $style) {
                $style_ss = $style->attributes($namespaces['ss']);
                $styleID  = (string)$style_ss['ID'];
                //            echo 'Style ID = '.$styleID.'<br />';
                $this->styles[$styleID] = (isset($this->styles['Default'])) ? $this->styles['Default'] : [];
                foreach ($style as $styleType => $styleData) {
                    $styleAttributes = $styleData->attributes($namespaces['ss']);
                    //                echo $styleType.'<br />';
                    switch ($styleType) {
                        case 'Alignment':
                            foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
                                //                                echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';
                                $styleAttributeValue = (string)$styleAttributeValue;
                                switch ($styleAttributeKey) {
                                    case 'Vertical':
                                        if (self::identifyFixedStyleValue($verticalAlignmentStyles, $styleAttributeValue)) {
                                            $this->styles[$styleID]['alignment']['vertical'] = $styleAttributeValue;
                                        }
                                        break;
                                    case 'Horizontal':
                                        if (self::identifyFixedStyleValue($horizontalAlignmentStyles, $styleAttributeValue)) {
                                            $this->styles[$styleID]['alignment']['horizontal'] = $styleAttributeValue;
                                        }
                                        break;
                                    case 'WrapText':
                                        $this->styles[$styleID]['alignment']['wrap'] = true;
                                        break;
                                }
                            }
                            break;
                        case 'Borders':
                            foreach ($styleData->Border as $borderStyle) {
                                $borderAttributes = $borderStyle->attributes($namespaces['ss']);
                                $thisBorder       = [];
                                foreach ($borderAttributes as $borderStyleKey => $borderStyleValue) {
                                    //                                    echo $borderStyleKey.' = '.$borderStyleValue.'<br />';
                                    switch ($borderStyleKey) {
                                        case 'LineStyle':
                                            $thisBorder['style'] = PHPExcel_Style_Border::BORDER_MEDIUM;
                                            //                                                $thisBorder['style'] = $borderStyleValue;
                                            break;
                                        case 'Weight':
                                            //                                                $thisBorder['style'] = $borderStyleValue;
                                            break;
                                        case 'Position':
                                            $borderPosition = strtolower($borderStyleValue);
                                            break;
                                        case 'Color':
                                            $borderColour               = substr($borderStyleValue, 1);
                                            $thisBorder['color']['rgb'] = $borderColour;
                                            break;
                                    }
                                }
                                if (!empty($thisBorder)) {
                                    if (($borderPosition == 'left') || ($borderPosition == 'right') || ($borderPosition == 'top') || ($borderPosition == 'bottom')) {
                                        $this->styles[$styleID]['borders'][$borderPosition] = $thisBorder;
                                    }
                                }
                            }
                            break;
                        case 'Font':
                            foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
                                //                                echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';
                                $styleAttributeValue = (string)$styleAttributeValue;
                                switch ($styleAttributeKey) {
                                    case 'FontName':
                                        $this->styles[$styleID]['font']['name'] = $styleAttributeValue;
                                        break;
                                    case 'Size':
                                        $this->styles[$styleID]['font']['size'] = $styleAttributeValue;
                                        break;
                                    case 'Color':
                                        $this->styles[$styleID]['font']['color']['rgb'] = substr($styleAttributeValue, 1);
                                        break;
                                    case 'Bold':
                                        $this->styles[$styleID]['font']['bold'] = true;
                                        break;
                                    case 'Italic':
                                        $this->styles[$styleID]['font']['italic'] = true;
                                        break;
                                    case 'Underline':
                                        if (self::identifyFixedStyleValue($underlineStyles, $styleAttributeValue)) {
                                            $this->styles[$styleID]['font']['underline'] = $styleAttributeValue;
                                        }
                                        break;
                                }
                            }
                            break;
                        case 'Interior':
                            foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
                                //                                echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';
                                switch ($styleAttributeKey) {
                                    case 'Color':
                                        $this->styles[$styleID]['fill']['color']['rgb'] = substr($styleAttributeValue, 1);
                                        break;
                                }
                            }
                            break;
                        case 'NumberFormat':
                            foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
                                //                                echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';
                                $styleAttributeValue = str_replace($fromFormats, $toFormats, $styleAttributeValue);
                                switch ($styleAttributeValue) {
                                    case 'Short Date':
                                        $styleAttributeValue = 'dd/mm/yyyy';
                                        break;
                                }
                                if ($styleAttributeValue > '') {
                                    $this->styles[$styleID]['numberformat']['code'] = $styleAttributeValue;
                                }
                            }
                            break;
                        case 'Protection':
                            foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
                                //                                echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';
                            }
                            break;
                    }
                }
                //            print_r($this->styles[$styleID]);
                //            echo '<hr />';
            }
            //        echo '<hr />';
            $worksheetID = 0;
            $xml_ss      = $xml->children($namespaces['ss']);
            foreach ($xml_ss->Worksheet as $worksheet) {
                $worksheet_ss = $worksheet->attributes($namespaces['ss']);
                if ((isset($this->loadSheetsOnly)) && (isset($worksheet_ss['Name'])) && (!in_array($worksheet_ss['Name'], $this->loadSheetsOnly))) {
                    continue;
                }
                //            echo '<h3>Worksheet: ', $worksheet_ss['Name'],'<h3>';
                //
                // Create new Worksheet
                $objPHPExcel->createSheet();
                $objPHPExcel->setActiveSheetIndex($worksheetID);
                if (isset($worksheet_ss['Name'])) {
                    $worksheetName = self::convertStringEncoding((string)$worksheet_ss['Name'], $this->charSet);
                    //    Use false for $updateFormulaCellReferences to prevent adjustment of worksheet references in
                    //        formula cells... during the load, all formulae should be correct, and we're simply bringing
                    //        the worksheet name in line with the formula, not the reverse
                    $objPHPExcel->getActiveSheet()->setTitle($worksheetName, false);
                }
                $columnID = 'A';
                if (isset($worksheet->Table->Column)) {
                    foreach ($worksheet->Table->Column as $columnData) {
                        $columnData_ss = $columnData->attributes($namespaces['ss']);
                        if (isset($columnData_ss['Index'])) {
                            $columnID = PHPExcel_Cell::stringFromColumnIndex($columnData_ss['Index'] - 1);
                        }
                        if (isset($columnData_ss['Width'])) {
                            $columnWidth = $columnData_ss['Width'];
                            //                        echo '<b>Setting column width for '.$columnID.' to '.$columnWidth.'</b><br />';
                            $objPHPExcel->getActiveSheet()->getColumnDimension($columnID)->setWidth($columnWidth / 5.4);
                        }
                        ++$columnID;
                    }
                }
                $rowID = 1;
                if (isset($worksheet->Table->Row)) {
                    $additionalMergedCells = 0;
                    foreach ($worksheet->Table->Row as $rowData) {
                        $rowHasData = false;
                        $row_ss     = $rowData->attributes($namespaces['ss']);
                        if (isset($row_ss['Index'])) {
                            $rowID = (integer)$row_ss['Index'];
                        }
                        //                    echo '<b>Row '.$rowID.'</b><br />';
                        $columnID = 'A';
                        foreach ($rowData->Cell as $cell) {
                            $cell_ss = $cell->attributes($namespaces['ss']);
                            if (isset($cell_ss['Index'])) {
                                $columnID = PHPExcel_Cell::stringFromColumnIndex($cell_ss['Index'] - 1);
                            }
                            $cellRange = $columnID . $rowID;
                            if ($this->getReadFilter() !== null) {
                                if (!$this->getReadFilter()->readCell($columnID, $rowID, $worksheetName)) {
                                    continue;
                                }
                            }
                            if ((isset($cell_ss['MergeAcross'])) || (isset($cell_ss['MergeDown']))) {
                                $columnTo = $columnID;
                                if (isset($cell_ss['MergeAcross'])) {
                                    $additionalMergedCells += (int)$cell_ss['MergeAcross'];
                                    $columnTo              = PHPExcel_Cell::stringFromColumnIndex(PHPExcel_Cell::columnIndexFromString($columnID) + $cell_ss['MergeAcross'] - 1);
                                }
                                $rowTo = $rowID;
                                if (isset($cell_ss['MergeDown'])) {
                                    $rowTo = $rowTo + $cell_ss['MergeDown'];
                                }
                                $cellRange .= ':' . $columnTo . $rowTo;
                                $objPHPExcel->getActiveSheet()->mergeCells($cellRange);
                            }
                            $cellIsSet       = $hasCalculatedValue = false;
                            $cellDataFormula = '';
                            if (isset($cell_ss['Formula'])) {
                                $cellDataFormula = $cell_ss['Formula'];
                                // added this as a check for array formulas
                                if (isset($cell_ss['ArrayRange'])) {
                                    $cellDataCSEFormula = $cell_ss['ArrayRange'];
                                    //                                echo "found an array formula at ".$columnID.$rowID."<br />";
                                }
                                $hasCalculatedValue = true;
                            }
                            if (isset($cell->Data)) {
                                $cellValue   = $cellData = $cell->Data;
                                $type        = PHPExcel_Cell_DataType::TYPE_NULL;
                                $cellData_ss = $cellData->attributes($namespaces['ss']);
                                if (isset($cellData_ss['Type'])) {
                                    $cellDataType = $cellData_ss['Type'];
                                    switch ($cellDataType) {
                                        /*
                                        const TYPE_STRING        = 's';
                                        const TYPE_FORMULA        = 'f';
                                        const TYPE_NUMERIC        = 'n';
                                        const TYPE_BOOL            = 'b';
                                        const TYPE_NULL            = 'null';
                                        const TYPE_INLINE        = 'inlineStr';
                                        const TYPE_ERROR        = 'e';
                                        */
                                        case 'String':
                                            $cellValue = self::convertStringEncoding($cellValue, $this->charSet);
                                            $type      = PHPExcel_Cell_DataType::TYPE_STRING;
                                            break;
                                        case 'Number':
                                            $type      = PHPExcel_Cell_DataType::TYPE_NUMERIC;
                                            $cellValue = (float)$cellValue;
                                            if (floor($cellValue) == $cellValue) {
                                                $cellValue = (integer)$cellValue;
                                            }
                                            break;
                                        case 'Boolean':
                                            $type      = PHPExcel_Cell_DataType::TYPE_BOOL;
                                            $cellValue = ($cellValue != 0);
                                            break;
                                        case 'DateTime':
                                            $type      = PHPExcel_Cell_DataType::TYPE_NUMERIC;
                                            $cellValue = PHPExcel_Shared_Date::PHPToExcel(strtotime($cellValue));
                                            break;
                                        case 'Error':
                                            $type = PHPExcel_Cell_DataType::TYPE_ERROR;
                                            break;
                                    }
                                }
                                if ($hasCalculatedValue) {
                                    //                                echo 'FORMULA<br />';
                                    $type         = PHPExcel_Cell_DataType::TYPE_FORMULA;
                                    $columnNumber = PHPExcel_Cell::columnIndexFromString($columnID);
                                    if (substr($cellDataFormula, 0, 3) == 'of:') {
                                        $cellDataFormula = substr($cellDataFormula, 3);
                                        //                                    echo 'Before: ', $cellDataFormula,'<br />';
                                        $temp = explode('"', $cellDataFormula);
                                        $key  = false;
                                        foreach ($temp as &$value) {
                                            //    Only replace in alternate array entries (i.e. non-quoted blocks)
                                            if ($key = !$key) {
                                                $value = str_replace([
                                                                         '[.',
                                                                         '.',
                                                                         ']'
                                                                     ], '', $value
                                                );
                                            }
                                        }
                                    } else {
                                        //    Convert R1C1 style references to A1 style references (but only when not quoted)
                                        //                                    echo 'Before: ', $cellDataFormula,'<br />';
                                        $temp = explode('"', $cellDataFormula);
                                        $key  = false;
                                        foreach ($temp as &$value) {
                                            //    Only replace in alternate array entries (i.e. non-quoted blocks)
                                            if ($key = !$key) {
                                                preg_match_all('/(R(\[?-?\d*\]?))(C(\[?-?\d*\]?))/', $value, $cellReferences, PREG_SET_ORDER + PREG_OFFSET_CAPTURE);
                                                //    Reverse the matches array, otherwise all our offsets will become incorrect if we modify our way
                                                //        through the formula from left to right. Reversing means that we work right to left.through
                                                //        the formula
                                                $cellReferences = array_reverse($cellReferences);
                                                //    Loop through each R1C1 style reference in turn, converting it to its A1 style equivalent,
                                                //        then modify the formula to use that new reference
                                                foreach ($cellReferences as $cellReference) {
                                                    $rowReference = $cellReference[2][0];
                                                    //    Empty R reference is the current row
                                                    if ($rowReference == '') {
                                                        $rowReference = $rowID;
                                                    }
                                                    //    Bracketed R references are relative to the current row
                                                    if ($rowReference{0} == '[') {
                                                        $rowReference = $rowID + trim($rowReference, '[]');
                                                    }
                                                    $columnReference = $cellReference[4][0];
                                                    //    Empty C reference is the current column
                                                    if ($columnReference == '') {
                                                        $columnReference = $columnNumber;
                                                    }
                                                    //    Bracketed C references are relative to the current column
                                                    if ($columnReference{0} == '[') {
                                                        $columnReference = $columnNumber + trim($columnReference, '[]');
                                                    }
                                                    $A1CellReference = PHPExcel_Cell::stringFromColumnIndex($columnReference - 1) . $rowReference;
                                                    $value           = substr_replace($value, $A1CellReference, $cellReference[0][1], strlen($cellReference[0][0]));
                                                }
                                            }
                                        }
                                    }
                                    unset($value);
                                    //    Then rebuild the formula string
                                    $cellDataFormula = implode('"', $temp);
                                    //                                echo 'After: ', $cellDataFormula,'<br />';
                                }
                                //                            echo 'Cell '.$columnID.$rowID.' is a '.$type.' with a value of '.(($hasCalculatedValue) ? $cellDataFormula : $cellValue).'<br />';
                                //
                                $objPHPExcel->getActiveSheet()->getCell($columnID . $rowID)->setValueExplicit((($hasCalculatedValue) ? $cellDataFormula : $cellValue), $type);
                                if ($hasCalculatedValue) {
                                    //                                echo 'Formula result is '.$cellValue.'<br />';
                                    $objPHPExcel->getActiveSheet()->getCell($columnID . $rowID)->setCalculatedValue($cellValue);
                                }
                                $cellIsSet = $rowHasData = true;
                            }
                            if (isset($cell->Comment)) {
                                //                            echo '<b>comment found</b><br />';
                                $commentAttributes = $cell->Comment->attributes($namespaces['ss']);
                                $author            = 'unknown';
                                if (isset($commentAttributes->Author)) {
                                    $author = (string)$commentAttributes->Author;
                                    //                                echo 'Author: ', $author,'<br />';
                                }
                                $node = $cell->Comment->Data->asXML();
                                //                            $annotation = str_replace('html:','',substr($node,49,-10));
                                //                            echo $annotation,'<br />';
                                $annotation = strip_tags($node);
                                //                            echo 'Annotation: ', $annotation,'<br />';
                                $objPHPExcel->getActiveSheet()
                                            ->getComment($columnID . $rowID)
                                            ->setAuthor(self::convertStringEncoding($author, $this->charSet))
                                            ->setText($this->parseRichText($annotation));
                            }
                            if (($cellIsSet) && (isset($cell_ss['StyleID']))) {
                                $style = (string)$cell_ss['StyleID'];
                                //                            echo 'Cell style for '.$columnID.$rowID.' is '.$style.'<br />';
                                if ((isset($this->styles[$style])) && (!empty($this->styles[$style]))) {
                                    //                                echo 'Cell '.$columnID.$rowID.'<br />';
                                    //                                print_r($this->styles[$style]);
                                    //                                echo '<br />';
                                    if (!$objPHPExcel->getActiveSheet()->cellExists($columnID . $rowID)) {
                                        $objPHPExcel->getActiveSheet()->getCell($columnID . $rowID)->setValue(null);
                                    }
                                    $objPHPExcel->getActiveSheet()->getStyle($cellRange)->applyFromArray($this->styles[$style]);
                                }
                            }
                            ++$columnID;
                            while ($additionalMergedCells > 0) {
                                ++$columnID;
                                $additionalMergedCells--;
                            }
                        }
                        if ($rowHasData) {
                            if (isset($row_ss['StyleID'])) {
                                $rowStyle = $row_ss['StyleID'];
                            }
                            if (isset($row_ss['Height'])) {
                                $rowHeight = $row_ss['Height'];
                                //                            echo '<b>Setting row height to '.$rowHeight.'</b><br />';
                                $objPHPExcel->getActiveSheet()->getRowDimension($rowID)->setRowHeight($rowHeight);
                            }
                        }
                        ++$rowID;
                    }
                }
                ++$worksheetID;
            }
            // Return
            return $objPHPExcel;
        }

        protected static function identifyFixedStyleValue($styleList, &$styleAttributeValue) {
            $styleAttributeValue = strtolower($styleAttributeValue);
            foreach ($styleList as $style) {
                if ($styleAttributeValue == strtolower($style)) {
                    $styleAttributeValue = $style;
                    return true;
                }
            }
            return false;
        }

        protected function parseRichText($is = '') {
            $value = new PHPExcel_RichText();
            $value->createText(self::convertStringEncoding($is, $this->charSet));
            return $value;
        }
    }
